Cover



May 29, 1934- R, w. cRosEN, JR 1,960,897

COVER `Filed April 2o, 1951 stava anruft r' intatti @evan Entert Grossen, tir., Plainfield, lll., assignent@ Farrell Manufacturing Qompany, Joliet, Ill., a corporation of.' illinois Application dprllit `18331, Seriali No., 531,325 l Malina.. im., 22d- 55) This invention pertains to covers, ,and more the L-shaped hinge butt 36 shown in Figure 3, speciiically to cover plates adapted for use paror the upstanding hinge butt 38 shown in Figticularly with tanks used on tank wagons and the ure like. v In the construction shown in Figures 1 to 3 5 It is an object of this invention to provide a inclusive the hinge butt 36 is formed integral so simple, eective, yet inexpensive cover for tanks, with, or secured to, the upstanding combing 40 hatches and the like which is positive in opera- Awelded or otherwise secured to the tank 42. The tion, is rugged of construction, and is easily opcover plate is provided with an inner plate 44 I erated.- secured thereto and conforming substantially to l@ Another object of the invention is to provide the contour thereof, the plates l0 and 42 being cs a cover for tank wagons and the like wherein provided with spaced depending flanges 46 and the locking mechanism positively locks the cover 48 between which packing 50 is provided. The in such position that it is tightly sealed, yet may combing is provided with the substantially L- be readily and easily released. 4 shaped upstanding standard or butt 52 formed With these and various other objects in view, integral therewith or secured thereto, to which 7o the invention may consist of certain novel feathe link 54 is pivoted as at 56. The link comtures of construction and operation as will be prises spaced arms 58connectedv and formed more fully described and particularly pointed out integral with the strap 60. The locking dog 62 in the specification, drawing and claims appendis pivoted as at 64 to the link between the arms 2@ ed hereto. i 58, the locking dog beingprovided with the operv5 In the drawing, which illustrates an embodiating handle 66 and the cam shoulder 68. The ment oi the device and wherein like reference operating handle is spacedsuiilciently from the characters are used to designate like partscover and strong back to permit the handle to be Figure 1 is a top plan view of a hatch cover readily grasped, the shoulder 68 being provided embodying the invention; with the extension 69 preventing the handle from so Figure 2 is a side elevation of the device shown rotating toward the cover to too great an extent, in Figure 1; the strap 60 providing an auxiliary stop. Figure 3 is an enlarged sectional elevation of In the construction shown in Figure 4 the the hatch cover and adjacent parts, the same combing 70 is of the sloping type, being provided being taken substantially in the plane as indiwith the flanged and reilanged portions 72 and 85 cated by line 3-3 of Figure 1; and 74 adapted to be secured to the riser '16 by means Figure 4 is a sectional elevation corresponding of the bolts or other connections 78, suitable to Figure 3 of a modified form of hatch cover. packing 80 being provided between the riser and Referring rst of all more particularly to the the combing. The hinge butt 38 is secured or r movable ^cover, this cover comprises a plate 10 formed integral with the combing 70, as is also 9o of any configuration in plan, such 'as circular, th butt or standard 82. In this case the comboval, etc. The cover is apertured adjacent the ing is formed with an inner flanged portion 84 center thereof to receive the thimble 12 welded forming a seat for the packing 50 secured as bethereto as at 14, the thimble being threaded as fore between the flanges 46 and 48 of the memat 16 to receive a closing plug'18. The strong bers 10 and 44 making up the cover. In this case, 95 back 20 extends across the cover and embraces as before, the link construction 54 and the lock- 'the thimble, preferably having an enlarged poring dog construction 62 are similar to those detion 22 adjacent said thimble, there being slight scribed with respect to Figure 3.

movement permitted between the strong back In operation of both devices, assuming the covand the' thimble. The thimble is provided with a er to be in the position shown in Figures 3 and 4, it `100 removable locking device 24 in the nature of a is only necessary to rotate the handle 66 inacounspring or keeper member adapted to be seated in ter-clockwise direction and the cam 68 will cause the groove 26 provided in the thimble, and the slight depression of the strong back, depressing strong back is spaced from the cover by means the spring ngers 30 which permit movement ofof the plate 28 provided with the depending spring the cam to unlocking position. The locking dog 105 fingers 30 serving as a cushion between the strong and the link 54 may then be rotated about the back and the cover plate. It is to be understood pivot 56 to a position totally out of engagement that a composition may replace this metallic with the strong back, whereupon the strong back plate 28. 'I'he strong back is provided with a may be used as a handle or lever in rotating the hinge butt 32 adapted to be pivoted as at 34 to cover plate to open position. Movement and op- '110 vso eration to a closed position are exactly the reverse oi that described,

A tight seal is insured as theparts are so proportioned that movement of the locking dog to locked position slightly compresses the packing 50 between the combing and the cover plate con-- struction whereby leakage or ingress .or foreign matter is prevented.

it is to be understood that I do not wish to be limited by the exact embodiments oi the device shown, which are merely by way of illustration and not limitation, as various and other forms of the device will oi course be apparent to those skilled in the art without departing from the spirit oi the invention or the scope of the claims;

i claim:

l. In cover mechanism, the combination of a combing provided with a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member ior closing the opening of said combing, a connection between said cover member and strong back, a standard carried by said combing and having a link pivoted thereto, anda locking dog pivotally mounted on said link having. a cam adapted to engage said strong back to lock said cover in closed position, said connection having a resilient member between said strong back and cover member.

2. ln cover mechanism, the combination'of a combing provided with a hinge butt, a strong back pivoted to'. said butt and extending across said combing, a cover member for closing the opening of said combing, a connection between said cover member and strong back, a standard carried by said combing and having a link pivoted thereto, and a locking dog pivotally mounted on said link having a cam` adapted to engage said strong back to lock said cover in closed position, said connection having a resilient member. between said strong back and cover member, said cover member including a pair of plates, each of said plates having 'a depending nange, the space between said anges having packing therein adapted to be seated on said combing when said dog engages said strong back.

3. in cover mechanism, the combination of a combing provided with a hinge butt, a strong back. pivoted to said butt and extending across said combing, a cover member for closing the opening of said combing, a -resilient connection between said cover member and strong back permitting yieldable movement therebetween, a standard carried by said combing and having a link pivoted thereto, and a locking dog pivotally mounted on saidlink having a cam adapted to engage said strong back to lock said cover in closed position, said cover member including a pair of plates, each of said plates having a depending flange, the space between said flanges having packing therein adapted to be seated on said combing when saiddog engages said strong back.

4. In cover mechanism, the combination of a combing provided with a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member for closing the opening of said combing, a connection between said cover member and strong back, a standard carried by said combing and having a link pivoted thereto, a locking dog pivotally mounted on said link having a cam adapted to engage said strong back to lock said cover in closed position, said connection comprising a thimble secured to said cover member, said thimble having a stop thereon for limiting4 relative movement between said cover member and said strong back, andA a resilient gestisce member between said strong back and said cover member for urging said strong back away from said cover member.

5. ln cover mechanism, the combination o a combing provided with a hinge butt, a strong back pivoted to said butt and extending acrosssaid combing, a cover member for closig the opening of said combing, a connection between said cover member and strong back, astandard carried by said combing and having a link pivoted thereto, a locking dog pivotally mounted on said link having a cam adapted to engage said strong back to lock said cover in closed position, said connection comprising a thimble secured to said cover member, said thimble having a stop thereon for limiting relative. movement between said cover member and said strong back, and a resilient member between said strong back and said cover member for urging said strong back away from said cover member, said cover member including a pair oi plates, each of said plates having a depending flange, the space between said :flanges having packing therein adapted to be seated on said combing when said dog engages said strong back.

6. in cover mechanism, the combination of a combing provided with a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member for closing the opening oi said "combing, a connection between said cover member and. strong back, a standard carried by said combing and having a link pivoted thereto, and a locking dog pivotally mounted on said link having a cam adapted to engage said strong back to lock said cover member in closed position, said connection comprising a thimble secured to said cover member, said thimble having a stop thereon for limiting relative movement between said cover member and said strong back, said cover member including a pair of plates,

-each of said plates having a depending ilange,

the space between said flanges having packing therein adapted to be seated on said combing when said dog engages said strong back.

7. in cover mechanism, the combination of combing oi rolled metal provided with a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member for closing the opening oi said combing, a connection between said cover member and strong back, a standard carried by said combing and having a link pivoted thereto, and a locking dog pivotally mounted on said link having a cam adapted to engage said strong back to lock said cover in closed position, said combing including va flanged portion forming a seat for said cover member, and having a flanged and reanged portion forming a securing seat.

8. In cover mechanism, the combination of a combing provided with a hinge butt, a 'lstrong back pivoted .to said butt and extending across said combing, a cover member for closing the opening of said jcornbing, a connection between said cover member and strong back, a standard carried by said combing and having a link pivotedthereto, and a locking dogpivotally mounted on said link having a cam adapted to engage said strong back to lock said cover in closed position, said combing including a iianged portion forming a seat for said cover member, and having a flanged and reanged portion forming a securing seat, said connection having a resilient member between said strong back and cover member.

9. In cover mechanism, the combination of a liti@ lil@ rio

ed on said link having a cam adapted to en-` gage said strong back to lock said lcover in closed position, said combing including a flanged portion forming a seat for saidcover member, and having a flanged and refianged portion forming a securing seat, said cover member including a pair of plates, each of said plates having a depending ange, the space between said flanges having packing therein adapted to be seated on said combing when said do'g engages said strong back..

10. In cover mechanism, the combination of a* combing provided with a hinge butt, aA strong back pivoted to said butt and extending across said combing, a cover member for closing the opening of said combing, a connection between said cover member and strong back, a standard carried by said `combing and having a link pivoted thereto, a locking dog pivotally mounted on said link having a cam adapted to engage said strong back to lock said cover in closed position, said combing including'a flanged portion forming a seat for said cover member, and having a Iflanged and reflanged portion forming a securing seat, said connection comprising a thimble secured to said cover member, said thimble having a stop thereon for limiting relative`move on said link having a cam adapted to engage said` strong back to lock said cover in closed position, said combing including a flanged portion forming a seat for said cover member, and having a anged and reflanged portion forming a securing seat, said connection comprising a thimble secured to said cover member, said thimble having a stop thereon for limiting relative movement between said cover member and said strong back, and a resilient member between said strong back and said cover member for urging said strong back away romxsaid cover member, said cover member including a pair of plates, each of said plates having a depending flange, the space between said iianges having packing therein adapted to be seated on said combing when said Vdog engages said strong back.

12. In cover mechanism, the combination of a combing provided' with a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member for closing the 'opening of said combing, a connection between said cover member and strong back, resilient means between said strong back and cover member and embracing said connection, a standard carried by said combing and having a link pivoted thereto, and a locking dog pivotally mountedr on said link having a cam adapted to engage said strong back to lock said cover in closed position, said combing including a flanged portion forming a'seat for said cover member, and having a iianged and reflanged portion forming a securing seat, said locking dog having an operating handle spaced from said cover member and means for preventing movement of said handle toward said cover member.

13. In a cover mechanism, the combination of a combing, a hinge butt, a strong back pivoted to saidhinge butt and extending across said combing, a cover member for closing the opening in said combing, said cover member being secured to said strong back intermediate the ends thereof, resilient means disposed between said strong back and said cover member, and vlatchingA means cooperating with one end of said strong back for maintaining said cover member in closed position on said combing.

14. In a cover mechanism, the combination of a combing, a hinge butt, a strong back pivoted to said butt and extending across said combing, a cover member for closing the opening of. said combing, a resilient connection between said cover member and strong back, latching means cooperating with said strong back for locking said cover member in closed position, said cover member including a pair of plates, each of said plates having a depending flange, thel space between said flanges having packing therein adaptedto be seated on said combing when said dog engages said strong back.

15. In cover mechanism, the combination of a combing provided with a hinge butt, a strong back ypivoted to said butt and extending across said combing, a cover member for closing the 'nab opening 'of said combing, a connection between on said link having a cam adapted to engage said strong back to lock said cover in closed position, said connection comprising a thimble secured to said covermember and freely extending through said strong-back and said thimble having a stop thereon above said strong-back for limiting relative movement between said cover l,

member and said strong back.

RGBERT W. CROSSEN, Je. 

